Disassembly

A760H AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION UNIT: DISASSEMBLY

1. REMOVE TRANSFER ASSEMBLY

2. REMOVE TRANSMISSION CONTROL SHAFT LEVER LH

(a) Remove the nut, spring washer and the transmission control shaft lever LH.

3. REMOVE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Using a screwdriver, unstake the lock washer.

(b) Remove the nut and lock washer.

(c) Remove the bolt and park/neutral position switch.

4. REMOVE TRANSMISSION OIL COOLER

(a) Remove the 3 bolts, transmission oil cooler and spacer.

(b) Remove the O-rings from the transmission oil cooler.

(c) Remove the O-rings from the spacer.

5. REMOVE SPEED SENSOR

(a) Remove the 2 bolts and the 2 speed sensors.

(b) Remove the O-rings from each sensor.

6. REMOVE AUTOMATIC TRANSMISSION BREATHER TUBE

(a) Remove the 2 bolts.

(b) Remove the breather tube.

7. REMOVE AUTOMATIC TRANSMISSION HOUSING

(a) Remove the 10 bolts.

(b) Remove the transmission housing.

8. FIX AUTOMATIC TRANSMISSION CASE SUB-ASSEMBLY

(a) Install the transmission case on the overhaul attachment.

9. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSEMBLY

NOTICE:
Do not turn the transmission over as this will contaminate the valve body with foreign matter located at the bottom of the pan.

(a) Remove the over flow plug and the gasket.

(b) Remove the drain plug and the gasket.

(c) Remove the 20 bolts, oil pan and gasket.

(d) Examine particles in the pan.

(1) Remove the magnets from the oil and use them to collect any steel chips. Look carefully at the chips and particles in the pan and on the magnet to anticipate what type of wear you will find in the transaxle.

Steel (magnetic): bearing, gear and plate wear

Brass (non-magnetic): bearing wear

10. REMOVE VALVE BODY OIL STRAINER ASSEMBLY

(a) Turn over the transmission.

(b) Remove the 4 bolts and valve body oil strainer assembly from the valve body.

(c) Remove the O-ring from the valve body oil strainer assembly.

11. REMOVE TRANSMISSION WIRE

(a) Remove the 3 bolts and disconnect the 3 clamps.

(b) Disconnect the 9 connectors from the shift solenoid valves.

(c) Remove the bolt from the transmission case.

(d) Pull the transmission wire out of the transmission case.

(e) Remove the O-ring from the transmission wire.

12. REMOVE TRANSMISSION VALVE BODY ASSEMBLY

(a) Remove the bolt, the detent spring cover and detent spring.

(b) Remove the 20 bolts.

14. REMOVE BRAKE DRUM GASKET

(a) Remove the 3 brake drum gaskets.

15. REMOVE CHECK BALL BODY

(a) Remove the check ball body and the spring.

16. REMOVE C-2 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-2 accumulator piston and the spring.

(b) Remove the 2 O-rings from the piston.

NOTICE:
Take care as the C-3 and B-3 accumulator piston may jump out.

17. REMOVE B-3 ACCUMULATOR PISTON

(a) Applying compressed air to the oil hole, remove the B-3 accumulator piston and the spring.

(b) Remove the 2 O-rings from the piston.

NOTICE:
Take care as the C-3 accumulator piston may jump out.

18. REMOVE C-3 ACCUMULATOR PISTON

(a) While blowing compressed air into the oil hole, remove the C-3 accumulator piston and the 2 springs.

(b) Remove the 2 O-rings from the piston.

19. REMOVE B-1 ACCUMULATOR VALVE

(a) Remove the B-1 accumulator valve and the 2 springs.

20. REMOVE PARKING LOCK PAWL BRACKET

(a) Remove the 3 bolts and the parking lock pawl bracket.

21. REMOVE PARKING LOCK ROD SUB-ASSEMBLY

(a) Disconnect the parking lock rod from the manual valve lever.

22. REMOVE PARKING LOCK PAWL SHAFT

(a) Pull out the parking lock pawl shaft from the front side, then remove the lock pawl and the spring.

(b) Remove the E-ring from the shaft.

23. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY

(a) Using a hammer and a screwdriver, cut off the spacer and remove it from the shaft.

(b) Using a pin punch and a hammer, drive out the spring pin.

HINT
Slowly drive out the spring pin so that it does not fall into the transmission case.

(c) Pull the manual valve lever shaft out through the case, and remove the manual valve lever.

24. REMOVE MANUAL VALVE LEVER SHAFT OIL SEAL

(a) Using a screwdriver, remove the 2 oil seals.

25. REMOVE OIL PUMP ASSEMBLY

(a) Remove the 10 bolts from the transmission case.

(b) Using a screwdriver with its tip wrapped with tape, pull out the oil pump.

NOTICE:
Do not damage the oil pump.

(c) Remove the thrust bearing race No.1 from the oil pump.

(d) Remove the O-ring from the oil pump.

26. REMOVE CLUTCH DRUM AND INPUT SHAFT

(a) Remove the clutch drum and input shaft assembly from the transmission transmission case.

(b) Remove the clutch drum thrust washer, 2 thrust needle roller bearings and bearing race.

27. INSPECT 1 WAY NO.2 CLUTCH ASSEMBLY Transmission Unit

28. REMOVE 1 WAY NO.2 CLUTCH ASSEMBLY

(a) Remove the 1 way No.2 clutch assembly and clutch drum thrust washer from the clutch drum and input shaft assembly.

29. REMOVE BRAKE NO.3 SNAP RING

(a) Using a screwdriver, remove the brake No.3 snap ring from the transmission case.

30. REMOVE 2ND BRAKE DISC SET

(a) Remove the flange, cushion plate, 4 discs and 4 plates from the transmission case.

31. INSPECT 2ND BRAKE DISC SET Transmission Unit

32. REMOVE 2ND BRAKE PISTON HOLE SNAP RING

(a) Using SST, remove the snap ring.

SST : 09350-30020

09350-07060

33. REMOVE 1 WAY CLUTCH ASSEMBLY

(a) Remove the 1 way clutch assembly and the planetary carrier thrust washer No.1 from the transmission case.

34. REMOVE 2ND BRAKE CYLINDER

(a) Remove the 2nd brake cylinder from the transmission case.

35. REMOVE 2ND BRAKE PISTON

(a) Using SST and a press, remove the snap ring.

SST : 09351-40010

09351-04060

09351-04070

(b) Remove the brake piston return spring.

(c) Hold the 2nd brake cylinder and apply compressed air (392 kPa, 4.0 kgf/cm2, 57 psi) to the 2nd brake cylinder to remove the 2nd brake piston.

(d) Remove the 2 O-rings from the 2nd brake piston.

36. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY NO.3 Transmission Unit

37. REMOVE FRONT PLANETARY GEAR ASSEMBLY

(a) Remove the front planetary gear assembly and the 1 way clutch inner race from the transmission case.

(b) Remove the thrust needle roller bearing, the thrust bearing race No.3 and the planetary carrier thrust washer No.2 from the front planetary gear.

38. INSPECT FRONT PLANETARY GEAR ASSEMBLY Transmission Unit

39. INSPECT 1 WAY CLUTCH ASSEMBLY Transmission Unit

40. REMOVE FRONT PLANETARY RING GEAR

(a) Remove the front planetary ring gear from the transmission case.

41. REMOVE CENTER PLANETARY RING GEAR

(a) Using a screwdriver, remove the snap ring.

(b) Remove the center planetary ring gear and the front planetary ring gear flange from the front planetary ring gear.

(c) Remove the thrust needle roller bearing from the front planetary ring gear flange.

42. REMOVE BRAKE DISC NO.1

(a) Remove the flange, the 3 discs and the 3 plates from the transmission case.

43. INSPECT BRAKE DISC NO.1 Transmission Unit

44. REMOVE BRAKE PISTON RETURN SPRING SNAP RING

(a) Using a screwdriver, remove the brake piston return spring snap ring from the transmission case.

45. REMOVE BRAKE PISTON RETURN SPRING SUB-ASSEMBLY

(a) Remove the brake piston return spring and the brake piston No.1 with the brake cylinder No.1 from the transmission case.

46. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY Transmission Unit

47. REMOVE BRAKE PISTON NO.1

(a) Hold the brake cylinder No.1 and apply compressed air (392 kPa, 4 kgf/cm2, 57 psi) to the brake cylinder No.1 to remove the brake piston No.1.

HINT
If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the 2 O-rings from the brake piston No.1.

48. REMOVE BRAKE DISC NO.2

(a) Using a screwdriver, remove the snap ring from the transmission case.

(b) Remove the flange, the brake piston return spring, the 4 discs and the 4 plates from the transmission case.

49. INSPECT BRAKE DISC NO.2 Transmission Unit

50. INSPECT BRAKE PISTON RETURN SPRING SUB-ASSEMBLY NO.2 Transmission Unit

51. REMOVE BRAKE PISTON NO.2

(a) Hold the brake piston No.2 and apply compressed air (392 kPa, 4 kgf/cm2, 57 psi) to the transmission case to remove the brake piston No.2 with the cylinder.

HINT
If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the piston from the cylinder.

(c) Remove the 2 O-rings from the brake piston No.2.

52. REMOVE CENTER PLANETARY GEAR ASSEMBLY

(a) Remove the center planetary gear assembly, the planetary sun gear and the thrust bearing race No.4 from the transmission case.

53. INSPECT CENTER PLANETARY GEAR ASSEMBLY Transmission Unit

54. REMOVE INTERMEDIATE SHAFT

(a) Using SST, remove the snap ring from the transmission case.

SST : 09350-30020

09350-07060

(b) Remove the intermediate shaft with the 1 way No.3 clutch assembly from the transmission case.

55. INSPECT 1 WAY NO.3 CLUTCH ASSEMBLY Transmission Unit

56. REMOVE 1 WAY NO.3 CLUTCH ASSEMBLY

(a) Remove the 1 way No.3 clutch assembly and the 1 way clutch inner race from the intermediate shaft.

57. REMOVE RR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY

(a) Remove the thrust bearing race No.8, the thrust needle roller bearing, the thrust bearing race No.7 and the planetary ring gear flange from the intermediate shaft.

58. INSPECT RR PLANETARY RING GEAR FLANGE SUB-ASSEMBLY Transmission Unit

59. INSPECT INTERMEDIATE SHAFT Transmission Unit

60. REMOVE BRAKE PLATE STOPPER SPRING

(a) Remove the brake plate stopper spring from the transmission case.

61. REMOVE BRAKE DISC NO.4

(a) Remove the sleeve, 4 plates, 4 discs and flange from the transmission case.

62. INSPECT BRAKE DISC NO.4 Transmission Unit

63. REMOVE REAR PLANETARY GEAR ASSEMBLY

(a) Remove the rear planetary gear assembly from the transmission case.

(b) Remove the 2 thrust needle roller bearings from the rear planetary gear assembly.

64. INSPECT REAR PLANETARY GEAR ASSEMBLY Transmission Unit

65. REMOVE 1ST & REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY

(a) Place SST on the 1st and reverse brake return spring sub-assembly and compress the brake return spring.

SST : 09350-30020

09350-07050

(b) Using SST, remove the snap ring and the brake return spring.

SST : 09350-30020

09350-07070

66. INSPECT 1ST & REVERSE BRAKE RETURN SPRING SUB-ASSEMBLY Transmission Unit

67. REMOVE 1ST & REVERSE BRAKE PISTON

(a) Hold the 1st and reverse brake piston and blow compressed air (392 kPa, 4 kgf/cm2, 57 psi) into the transmission case to remove the brake piston.

HINT
If the piston does not pop out with compressed air, lift the piston out with needle-nose pliers.

(b) Remove the brake apply tube from the piston.

(c) Remove the O-ring from brake piston.

68. REMOVE BRAKE REACTION SLEEVE

(a) Using SST, remove the reaction sleeve.

SST : 09350-30020

09350-07080

(b) Remove the 2 O-rings from the reaction sleeve.

69. REMOVE BRAKE PISTON NO.4

(a) Using SST, remove the brake piston No.4.

SST : 09350-30020

09350-07080

(b) Remove the 2 O-rings from the brake piston No.4.